<!DOCTYPE html>
<html>
<!--
Copyright 2011 The Closure Library Authors. All Rights Reserved.

Use of this source code is governed by the Apache License, Version 2.0.
See the COPYING file for details.

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<head>
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<title>Closure Unit Tests - goog.storage.Storage</title>
<script src="../base.js"></script>
<script>
  goog.require('goog.functions');
  goog.require('goog.storage.ErrorCode');
  goog.require('goog.storage.Storage');
  goog.require('goog.storage.mechanism.mechanismfactory');
  goog.require('goog.storage.storage_test');
  goog.require('goog.testing.jsunit');
  goog.require('goog.testing.storage.FakeMechanism');
</script>
</head>
<body>
<script>

function testBasicOperations() {
  var mechanism = new goog.testing.storage.FakeMechanism();
  var storage = new goog.storage.Storage(mechanism);
  goog.storage.storage_test.runBasicTests(storage);
}

function testMechanismCommunication() {
  var mechanism = new goog.testing.storage.FakeMechanism();
  var storage = new goog.storage.Storage(mechanism);

  // Invalid JSON.
  mechanism.set('first', '');
  assertEquals(goog.storage.ErrorCode.INVALID_VALUE,
               assertThrows(function() {storage.get('first')}));
  mechanism.set('second', '(');
  assertEquals(goog.storage.ErrorCode.INVALID_VALUE,
               assertThrows(function() {storage.get('second')}));

  // Cleaning up.
  storage.remove('first');
  storage.remove('second');
  assertUndefined(storage.get('first'));
  assertUndefined(storage.get('second'));
  assertNull(mechanism.get('first'));
  assertNull(mechanism.get('second'));
}

function testMechanismFailsGracefullyOnInvalidValue() {
  var mechanism = {
    get: goog.functions.error('Invalid value')
  };
  var storage = new goog.storage.Storage(mechanism);
  assertUndefined(storage.get('foobar'));
}

</script>
</body>
</html>
